{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2023,8,23]],"date-time":"2023-08-23T08:51:52Z","timestamp":1692780712606},"reference-count":15,"publisher":"Georg Thieme Verlag KG","issue":"04","license":[{"start":{"date-parts":[[2022,4,20]],"date-time":"2022-04-20T00:00:00Z","timestamp":1650412800000},"content-version":"vor","delay-in-days":1754,"URL":"https:\/\/creativecommons.org\/licenses\/by-nc\/4.0\/"},{"start":{"date-parts":[[2017,7,15]],"date-time":"2017-07-15T00:00:00Z","timestamp":1500076800000},"content-version":"tdm","delay-in-days":14,"URL":"http:\/\/creativecommons.org\/licenses\/by-nc\/4.0\/"}],"content-domain":{"domain":["www.e-aps.org"],"crossmark-restriction":true},"short-container-title":["Arch Plast Surg"],"published-print":{"date-parts":[[2017,7]]},"abstract":"<jats:p>\n          Background  Little is known concerning hair diameter variation within the safe donor area for hair transplantation surgery. Thicker or thinner hair may be needed, depending on the recipient area, hairline design, and the purpose of surgery.<\/jats:p><jats:p>\n          Methods  Twenty-seven patients (7 men and 20 women; mean age, 28 years; range, 20\u201347 years) were included in this study. The midoccipital point was used as the reference point on the horizontal plane at the upper border of the helical rim. The target area width was 15 cm (7.5 cm to the right and left of the reference point) and the height was 8 cm (2 cm above and 6 cm below the reference point). The study area was divided horizontally into 3 5-cm sections (A, B, C) and vertically into 4 2-cm sections (1\u20134), creating a total of 12 zones. Ten anagen hairs were randomly obtained from each zone and their diameters were measured.<\/jats:p><jats:p>\n          Results  Hair diameter in the 4 vertical sections varied significantly, gradually decreasing from sections 1 (superior) to 4 (inferior) in all 3 horizontal sections (A, B, and C).<\/jats:p><jats:p>\n          Conclusions  Our results suggest that sections 1 and 2 of the occipital safe donor area would be useful for obtaining thicker hair, such as in procedures to treat male- and female-pattern hair loss, whereas hair from zones 3 and 4 could be useful for transplantation surgery requiring thinner hair, such as eyebrows, eyelashes, and female hairline correction. Our results may be clinically valuable for planning hair transplant surgery and choosing the optimal donor region.<\/jats:p>","DOI":"10.5999\/aps.2017.44.4.332","type":"journal-article","created":{"date-parts":[[2017,7,19]],"date-time":"2017-07-19T23:53:33Z","timestamp":1500508413000},"page":"332-336","update-policy":"http:\/\/dx.doi.org\/10.5999\/crossmark_policy","source":"Crossref","is-referenced-by-count":10,"title":["Hair Diameter Variation in Different Vertical Regions of the Occipital Safe Donor Area"],"prefix":"10.1055","volume":"44","author":[{"given":"Seon Sik","family":"Yun","sequence":"additional","affiliation":[{"name":"Department of Plastic and Reconstructive Surgery, Wonkwang University School of Medicine, Iksan, Korea"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Jae Hyun","family":"Park","sequence":"additional","affiliation":[{"name":"Dana Plastic Surgery Clinic, Seoul, Korea"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Young Cheon","family":"Na","sequence":"additional","affiliation":[{"name":"Department of Plastic and Reconstructive Surgery, Wonkwang University School of Medicine, Iksan, Korea"}],"role":[{"role":"author","vocabulary":"crossref"}]}],"member":"194","published-online":{"date-parts":[[2022,4,20]]},"reference":[{"key":"ref1","doi-asserted-by":"crossref","first-page":"239","DOI":"10.1177\/074880689401100402","article-title":"Delineating the \u201cSafe\u201d donor area for hair transplanting","volume":"11","author":"W Unger","year":"1994","journal-title":"Am J Cosmet Surg"},{"key":"ref2","first-page":"247","volume-title":"An overview of the donor area: basic principles","author":"J Devroye","year":"2011","edition":"5th ed"},{"key":"ref3","doi-asserted-by":"crossref","first-page":"903","DOI":"10.1093\/asj\/sjv137","article-title":"Use of nape and peri-auricular hair by follicular unit extraction to create soft hairlines and temples: my experience with 128 patients","volume":"35","author":"S Umar","year":"2015","journal-title":"Aesthet Surg J"},{"key":"ref4","doi-asserted-by":"crossref","first-page":"239","DOI":"10.1177\/074880689401100402","article-title":"Delineating the \u201cSafe\u201d donor area for hair transplanting","volume":"11","author":"W Unger","year":"1994","journal-title":"Am J Cosmet Surg"},{"key":"ref5","doi-asserted-by":"crossref","first-page":"306","DOI":"10.1111\/j.1524-4725.1995.tb00178.x","article-title":"Micrografting in extensive quantities: the ideal hair restoration procedure","volume":"21","author":"WR Rassman","year":"1995","journal-title":"Dermatol Surg"},{"key":"ref6","doi-asserted-by":"crossref","first-page":"277","DOI":"10.5999\/aps.2014.41.3.277","article-title":"Predicting the Permanent safe donor area for hair transplantation in Koreans with male pattern baldness according to the position of the parietal whorl","volume":"41","author":"JH Park","year":"2014","journal-title":"Arch Plast Surg"},{"key":"ref7","doi-asserted-by":"crossref","first-page":"294","DOI":"10.1046\/j.1524-4725.1999.08114.x","article-title":"Distribution of human hair in follicular units: a mathematical model for estimating the donor size in follicular unit transplantation","volume":"25","author":"F Jimenez","year":"1999","journal-title":"Dermatol Surg"},{"key":"ref8","doi-asserted-by":"crossref","first-page":"166","DOI":"10.1016\/j.jaad.2011.04.023","article-title":"Assessment of hair density and caliber in Caucasian and Asian female subjects with female pattern hair loss by using the Folliscope","volume":"66","author":"BS Lee","year":"2012","journal-title":"J Am Acad Dermatol"},{"key":"ref9","doi-asserted-by":"crossref","first-page":"574","DOI":"10.1097\/DSS.0000000000001006","article-title":"Association between scalp laxity, elasticity, and glidability and donor strip scar width in hair transplantation and a new elasticity measuring method","volume":"43","author":"JH Park","year":"2017","journal-title":"Dermatol Surg"},{"key":"ref10","doi-asserted-by":"crossref","first-page":"103","DOI":"10.33589\/24.3.0103","article-title":"Direct non-shaven FUE technique","volume":"24","author":"JH Park","year":"2014","journal-title":"Hair Transplant Forum Int"},{"key":"ref11","doi-asserted-by":"crossref","first-page":"e336","DOI":"10.1097\/GOX.0000000000000304","article-title":"Side-hairline correction in Korean female patients","volume":"3","author":"JH Park","year":"2015","journal-title":"Plast Reconstr Surg Glob Open"},{"key":"ref12","doi-asserted-by":"crossref","first-page":"e589","DOI":"10.1097\/GOX.0000000000000548","article-title":"Novel principles and techniques to create a natural design in female hairline correction surgery","volume":"3","author":"JH Park","year":"2015","journal-title":"Plast Reconstr Surg Glob Open"},{"key":"ref13","doi-asserted-by":"crossref","first-page":"921","DOI":"10.1007\/s00266-016-0695-9","article-title":"Masking the close eye appearance in the east asian female population: infratemporal hairline reduction with hair grafting","volume":"40","author":"JH Park","year":"2016","journal-title":"Aesthetic Plast Surg"},{"key":"ref14","doi-asserted-by":"crossref","first-page":"21","DOI":"10.5021\/ad.2015.27.1.21","article-title":"Alternative method for creating fine hairs with hair removal laser in hair transplantation for hairline correction","volume":"27","author":"HS Park","year":"2015","journal-title":"Ann Dermatol"},{"key":"ref15","doi-asserted-by":"crossref","first-page":"157","DOI":"10.5999\/aps.2017.44.2.157","article-title":"Photo epilation with intense pulsed light for thinning of anterior hairline after hairline correction surgery in east asians","volume":"44","author":"JH Park","year":"2017","journal-title":"Arch Plast Surg"}],"container-title":["Archives of Plastic 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